PSAT Math Multiple-Choice Question 34: Answer and Explanation

Question: 34

If p ≠ 0, what is the value of ?

• A.
• B.
• C.
• D. 4p

Correct Answer: A

Explanation:

A

The question asks for the value of an expression. There are variables in the answer choices, so plug in. Make p = 2. The expression becomes . Continue simplifying to get × = . This is the target value; circle it. Now plug p = 2 into the answer choices to see which one matches the target value. Choice (A) becomes . This matches the target value, so keep (A), but check the remaining answers just in case. Choice (B) becomes = . This does not match the target, so eliminate (B). Choice (C) becomes = 2. Eliminate (C). Choice (D) becomes 4(2) = 8. Eliminate (D). The correct answer is (A).